Greatest Journeys on Earth: SPAIN Journeys Through The Land of the Builders Format:DVD Here are the stories of

Here are the stories of the world's great tunnels

testing their bonds to the breaking point

And Eddie also falls in love with the judge's fiancee

Art detective and National Geographic Fellow Maurizio Seracini reveals history using a thermocamera to reveal long-lost architectural layers in some of the city's most famous landmarks

Constantine's adoption of Christianity allowed this small persecuted religion to sweep throughout Europe as the empire's power waned

Greatest Journeys on Earth: SPAIN Journeys Through The Land of the Builders Format:DVD Here are the stories ofA symbol of modern Europe, Barcelona is a city renowned for its exceptional architecture. Barcelona is the capital of Catalonia, where street festivals are spontaneous happenings, revealing their secular, folkloric traditions.